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公开(公告)号：US20230138904A1
公开(公告)日：2023-05-04
申请号：US17971435
申请日：2022-10-21
IPC分类号： H02K11/33 , H02M7/5387 , H02J7/00 , H02K3/52
摘要： An inverter is disposed adjacent to one end of a motor in a rotational axis direction. The inverter includes a plurality of power modules, a smoothing capacitor, busbars that connect the power modules to the smoothing capacitor, and a thin case that accommodates these components. The plurality of power modules are disposed at the periphery of the smoothing capacitor. The smoothing capacitor and each of the power modules are disposed in an inner portion of the thin case and arranged on the same plane orthogonal to the rotational axis direction. The busbars are formed to extend in the circumferential direction. An inner edge portion of each of the busbars has an arc shape or a circular shape.
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公开(公告)号：US20230134351A1
公开(公告)日：2023-05-04
申请号：US17519265
申请日：2021-11-04
发明人： Kris H. Campbell , Skyler Ripplinger , Brian C. Konopa , Kanthi Gnanam Kannan , Edward C. Allen , Hamming Lin , Luis E. Anker
摘要： An end winding support of a rotor of an electric machine is provided. The end winding support includes a first part and a second part. The first part includes an elongate body about which a conductive winding is wound. The elongate body has a surface defining a first groove. The second part is attached to the first part. The second part includes a body which extends outwardly from the elongate body and which has a surface defining a second groove corresponding to the first groove.
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公开(公告)号：US20230117021A1
公开(公告)日：2023-04-20
申请号：US17801466
申请日：2021-03-04
发明人： Michael EIBL
摘要： A rotor, in particular for a current-excited synchronous machine, is at least partly embedded in a potting compound. The rotor is equipped with at least one conductor element, which forms a winding and is connected to a current collecting element, wherein potting compound is provided at least between the current collecting element and the winding, and a connection section of the conductor element, the connection section extending between the winding and the current collecting element, is shielded from the potting compound by a decoupling element arranged at the connection section.
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公开(公告)号：US11632009B2
公开(公告)日：2023-04-18
申请号：US17199384
申请日：2021-03-11
申请人： NIDEC CORPORATION
发明人： Yu Wang , Jun Gao , Wenlong Zhang
摘要： Embodiments of this application provide a busbar assembly, a motor, an electrical product, and a method for manufacturing a busbar assembly. The busbar assembly includes a busbar for conducting electricity and a busbar holder for supporting the busbar. The busbar extends in a circumferential direction, a height of the busbar in an axial direction is greater than a thickness in a radial direction, and the busbar holder is integrally molded with the busbar. The busbar includes a plurality of convex portions extending in the axial direction, and the convex portions are exposed from the busbar holder.
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公开(公告)号：US11621600B2
公开(公告)日：2023-04-04
申请号：US17474496
申请日：2021-09-14
摘要： The invention relates to a stator (100) for an electric machine having a stator core (102) and at least one winding (110) which has a winding head (120) protruding axially beyond the stator core (102), wherein the winding head (120) comprises portions of the winding which form reversals of the winding wires, winding connection lines (126) for energizing the winding (110) and at least one radially outwardly arranged first set of winding portions (127) and one radially inwardly arranged second set of winding portions (128) spaced apart from the first set, wherein the portions of the winding connection lines (126) each run in the circumferential direction, do not protrude axially beyond the first (127) and the second (128) sets of winding portions and are arranged radially between and fixed by the first (127) and the second (128) sets of winding portions. The invention also relates to a method for producing such a stator (100) and to an electric machine having such a stator (100).
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公开(公告)号：US20230098997A1
公开(公告)日：2023-03-30
申请号：US17795052
申请日：2021-01-20
发明人： Daniel Fiederling , Stefan Wuest
摘要： A stator of an electric motor includes a stator main body which supports coils each having two coil ends of a multiphase stator winding. A contact apparatus is disposed on the end face of the stator main body and has an interconnection housing that receives a number of busbars for interconnecting the coils and a number of phase connections. Each phase of the stator winding is formed by at least one of the coils and at least one of the busbars as well as one of the phase connections. The dimensions of the busbars are set in such a way that the electrical resistance of all of the phases of the stator winding is the same. An electric motor having the stator is also provided.
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公开(公告)号：US20230088759A1
公开(公告)日：2023-03-23
申请号：US17795051
申请日：2021-01-20
发明人： Marco Grimm , Stefan Wuest
IPC分类号： H02K3/52
摘要： A contact apparatus of a stator has an annular interconnection housing which receives a number of busbars for interconnecting coil ends of a stator winding to a number of phase connections. The interconnection housing has an annularly encircling base section and a number of carrier sections that correspond to the number of phase connections. The carrier sections extend axially starting from the base section, wherein the respective phase connection has an axially extending contact section and a connecting section that runs orthogonally to the axially extending contact section. The respective phase connection is inserted into the associated carrier section in such a way that an axial movement of the contact section of the respective phase connection is blocked in the direction of the base section and is permitted in the opposite direction.
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公开(公告)号：US20230064806A1
公开(公告)日：2023-03-02
申请号：US17983460
申请日：2022-11-09
申请人： DENSO CORPORATION
发明人： Toru Tabuchi
摘要： A rotating electrical machine includes a plurality of winding holding portions, a plurality of coil terminals having a winding connection portion connected to a winding, and a plurality of motor terminals connected to the coil terminal. The winding has two or more coils between one end portion and the other end portion. The winding holding portion and the winding connection portion are arranged inward of the coil in the radial direction. The motor terminal includes a connector portion connectable to an external power supply terminal, a contacted portion contacted by the contact portion of the coil terminal in the axial direction, and a connecting portion that connects the connector portion and the contacted portion. At least a portion of the connecting portion extends from the connector portion to the contacted portion through an opposite side to the stator core with respect to a metal plate.
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公开(公告)号：US20230063773A1
公开(公告)日：2023-03-02
申请号：US17895856
申请日：2022-08-25
申请人： AUDI AG
发明人： Martin GERNGROß , Lars WETTERAU
摘要： A star disc has integrated current busbars for the interconnecting of rotor windings. A rotor may comprise the star disc, and a method may comprise producing the rotor.
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公开(公告)号：US11594934B2
公开(公告)日：2023-02-28
申请号：US17115390
申请日：2020-12-08
申请人： LG INNOTEK CO., LTD.
发明人： Bong Bae Kong
摘要： Disclosed in one embodiment is a busbar comprising: an insulating body; a plurality of neutral terminals arranged in the insulating body; and a plurality of first driving terminals, second driving terminals, and third driving terminals arranged in the insulating body, wherein the plurality of neutral terminals, first driving terminals, second driving terminals, and third driving terminals are electrically insulated, respectively, and the shape of the plurality of the first driving terminals, the second driving terminals, and the third driving terminals are the same.
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